Read below about expanding warm and red foot swelling, including causes and common questions. Or get a personalized analysis of your expanding warm and red foot swelling from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

A.I. Health Assistant

Take a quiz to find out why you’re having expanding warm and red foot swelling

Take a quiz

7 Potential Expanding Warm and Red Foot Swelling Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.Hand - Foot - and - Mouth Disease

    Hand-foot-and-mouth disease is a mild, contagious viral infection common in young children. It is characterized by sores in the mouth and a rash on the hands and feet.

    7-10 days

    Rarity:
    Rare
    Top Symptoms:
    loss of appetite, cough, fever, new headache, sore throat
    Symptoms that always occur with hand-foot-and-mouth disease:
    spontaneous skin changes
    Urgency:
    Self-treatment
  2. 2.Nail Infection (Paronychia)

    Paronychia is an infection of the nail folds, typically caused by Staph. Aureus. Or a fungus.

    Great prognosis. Recovery in the next two weeks

    Rarity:
    Rare
    Top Symptoms:
    spontaneous toe pain, toenail pain, toenail swelling
    Urgency:
    Phone call or in-person visit
  3. 3.Interstitial Nephritis

    The tissue of the kidneys can become inflamed for many different reasons, ranging from medications to infection to our own immune system

    2 weeks if recognized

    Rarity:
    Rare
    Top Symptoms:
    fatigue, loss of appetite, joint pain, side pain, fever
    Urgency:
    Primary care doctor

    Expanding Warm and Red Foot Swelling Checker

    Take a quiz to find out why you’re having expanding warm and red foot swelling.

    Take a quiz
  4. 4.Acute Postinfectious Glomerulonephritis

    The kidneys are a pair of important organs that lie near the spine whose function is to filter blood. There are about 1 million glomeruli in each kidney, which are tiny balls of thin blood vessels where there filtration takes place. After an infection anywhere in the body, especially a streptococcal infection (strep throat), these glomeruli may become inflamed.

    Symptoms last 2 weeks or less.

    Rarity:
    Rare
    Top Symptoms:
    headache, nausea, loss of appetite, vomiting, fatigue
    Urgency:
    Primary care doctor
  5. 5.Acute Kidney Injury

    Acute kidney injury is a sudden episode of damage or failure to the kidney. It is common in older adults as well as patients in hospital.

    Treatment depends on the underlying cause of kidney failure.

    Rarity:
    Rare
    Top Symptoms:
    abdominal pain (stomach ache), nausea or vomiting, urinary changes, shortness of breath, fatigue
    Symptoms that always occur with acute kidney injury:
    urinary changes
    Symptoms that never occur with acute kidney injury:
    vaginal bleeding
    Urgency:
    Hospital emergency room
  6. 6.Posterior Tibialis Tendinopathy

    Posterior Tibialis Tendinopathy is the dysfunction of a tendon (muscles to bones) in the back of the foot, which can lead to having flat feet. It's unclear why exactly it happens, but might be related to poor blood flow and mechanical issues specific to the person.

    Progressive and relapsing, needing several attempts to fix the problem

    Rarity:
    Rare
    Top Symptoms:
    swollen foot, pain in one foot, limping, pain in one ankle, spontaneous ankle pain
    Symptoms that never occur with posterior tibialis tendinopathy:
    recent cutting accident
    Urgency:
    Primary care doctor
  7. 7.Sarcoidosis

    Sarcoidosis is an inflammatory disease that most often affects the lungs and skin, but can als affect the joints.

    This condition has a broad range of severity. It often goes away on its own over time but some cases can cause permanent damage.

    Rarity:
    Rare
    Top Symptoms:
    fatigue, headache, shortness of breath, loss of appetite, joint pain
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Expanding Warm and Red Foot Swelling

  • Q.Have you ever been diagnosed with diabetes?
  • Q.Do you have a rash?
  • Q.Any fever today or during the last week?
  • Q.Did you just suffer from a cut or wound?

If you've answered yes to one or more of these questions, try our expanding warm and red foot swelling symptom checker to find out more.

Take a quiz

Expanding Warm and Red Foot Swelling Symptom Checker Statistics

  • People who have experienced expanding warm and red foot swelling have also experienced:

    • 6% Pain in the Top of the Foot
    • 6% Warm Red Foot Swelling
    • 5% Foot Pain
  • People who have experienced expanding warm and red foot swelling had symptoms persist for:

    • 31% Less Than a Week
    • 26% Less Than a Day
    • 22% Over a Month
  • People who have experienced expanding warm and red foot swelling were most often matched with:

    • 13% Nail Infection (Paronychia)
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

A.I. Health Assistant

Take a quiz to find out why you’re having expanding warm and red foot swelling

Take a quiz